Generator with improved generation efficiency and rotational force

ABSTRACT

Disclosed is a generator that can produce electric power using water power, wave power or wind power. The generator characterized in that a plurality of magnet plates and separately-arranged coil plates are constructed in such a way that they can rotate in mutually opposing directions, and these magnet plates and coil plates are continuously and sequentially arranged on a rotating shaft, and a plurality of induction coils and electromotive coils installed on inner and outer cylinders proximate to the opposed ends of magnets arranged on the magnet plates are separately arranged on the coil plates. According to the generator, it is possible to obtain a further increased quantity of generation by means of the magnet plates and coil plates that rotate in mutually opposing directions even in the case that water power or wind power used in generation is weak. In addition, even if the energy supply source such as wind power, wave power or water power acts continuously or intermittently, the rotational force between the magnet plates and coil plates is increased greatly by the electromotive coils that confer repulsive force on the magnets to make it possible to produce much higher generation energy, so it is very economical.

TECHNICAL FIELD

The present invention relates to a generator that can produce electricpower using water power, wave power or wind power, and more specially toa generator with improved generation efficiency and rotational force, inwhich coil plates where horizontally wound generation coils are radiallyarranged at predetermined intervals and magnet plates where a pluralityof magnets are radially arranged at predetermined intervals aresequentially arrayed on a rotating shaft, and a plurality of inductioncoils and electromotive coils installed on inner and outer cylindersproximate to the opposed ends of the magnets are separately arranged onthe coil plates, so as to obtain improved generation efficiency as coilplates and magnet plates rotate in mutually opposing directions, as wellas the rotational force is increased further by increasing the repulsiveforce between coil plates and magnet plates.

BACKGROUND ART

A generator is an apparatus which converts dynamic energy into electricenergy. It gets necessary rotational power from water power, wave power,or a power means such as a steam or diesel engine, and rotatescylindrical magnets using this power. In such a generator, when themagnets rotate, electric charge is induced in the coil wound on the ironcore located around the magnet to generate electric current.

As common generators we can easily see around us, there are generatorsfor bicycle headlights, and vehicle generators also operate on the sameprinciple. The major difference between the two generators is that theformer has a permanent magnet in the coil and the latter has anelectromagnet (rotor coil), not a permanent magnet, which is wound.

However, conventional generators as mentioned above should rotate amagnet having a comparatively heavy weight. Because of that, they have aproblem that they require an excessive starting power or rotationalpower.

Also, in a generator of a conventional method, the iron core installedfor induction activation generates an attractive force that attractsother rotating magnets in the center. Because of that, it requires anexcessive motor power, so consequently energy consumption is very high.Not only that, because attractive force acts as rotational resistance,it leads to unnecessarily large consumption of rotational power forrotating the magnet.

In particular, the conventional cylindrical magnet and iron core cannotbut adopt a tetrapolar induction method due to the constraint ofinstallation space. Accordingly, high-speed rotation is needed toproduce electricity of necessary capacity and due to that, it has aproblem that economic efficiency is considerably low.

When using a generator, electricity is produced by rotating a magnet byforce using the rotational power of an extra drive motor, andelectricity produced from the generator should be converted intoelectric current of a desirable voltage through an electric transformer,etc. Because of this, a considerable quantity of electric energy is lostat the drive motor and generator. A generation system of such a methodis known to have an energy efficiency of about 35%. Therefore, it isconsiderably inefficient in terms of energy use and low in economicefficiency.

To solve such problems, Korean Patent Application No. 2008-067965 isfiled by the applicant of the present invention. The generator disclosedin the above patent application comprises upper and lower fixed platesof non-magnet arranged in separation up and down, a plurality of magnetsradially separately arranged on the fixed plate, and rotating discsarranged between the fixed plates. On the rotating disc are radiallyarranged horizontally wound coil units. The magnet on the lower fixedplate located below the rotating disc induces electric charge togenerate electric current, and the magnet on the upper fixed platelocated above provides alternatingly attractive force and repulsiveforce to the coil unit in the direction of rotation.

Here, electricity is produced through relative rotation of the magnetand the coil unit, so no-load rotation without attractive force beinggenerated between each other occurs. Therefore, power productivity isexcellent even with low-speed rotation. In addition, since attractiveforce and repulsive force provided by the centrifugal force of therotating disc and the magnet are added to minimize the load loss of therotating disc, economic efficiency is excellent and the generationefficiency is high.

However, the generator as mentioned above is of such a form that onlythe coil plate is rotated while the magnet plate with the magnetsseparately arranged is fixed. Therefore, it has a problem in that ifwind power or water power is weak, sufficient generation capacity cannotbe obtained and the generation efficiency is low.

Moreover, if various load elements that consume electric energy areconnected to a generator as mentioned above, the generation efficiencyis lowered by the load elements applied to the generator. Therefore, agenerator having much higher generation efficiency and rotationperformance is urgently needed through structural improvement of thegenerator as mentioned above.

DISCLOSURE Technical Problem

Accordingly, to solve the above problems, it is an object of the presentinvention to provide a generator in which a plurality of magnet platesand separately-arranged coil plates are constructed in such a way thatthey can rotate in mutually opposing directions, and these magnet platesand coil plates are continuously and sequentially arranged on a rotatingshaft, and a plurality of induction coils and electromotive coilsinstalled on inner and outer cylinders proximate to the opposed ends ofmagnets arranged on the magnet plates are separately arranged on thecoil plates, so that an increased rotation velocity can be obtainedthrough the magnet plates and coil plates rotating in mutually opposingdirections and thereby a high quantity of generation can be obtained,therefore, it is possible to provide a generator in which generationefficiency and rotational force are improved by converting electricpower produced through induction coils into direct current power andtransmitting it into electromotive coils, and the rotational force forthe magnet plates and coil plates is increased by using repulsive forcebetween electromotive coils and magnets, in order to properly solve oralleviate various problems that conventional generators have.

Technical Solution

In order to accomplish the foregoing object, according to the presentinvention, there is provided a generator comprising magnet plates andcoil plates which are provided with a plurality of blades that areprotruded inclined in mutually opposing directions on the outercircumference thereof, so that the magnet plates and the coil plates arerotated simultaneously in mutually opposing directions, wherein on thecoil plates are formed in protrusion an inner cylinder and outercylinder at locations separated from both ends of the magnets, and onthe outer circumference of the inner cylinder are installed inductioncoils arranged at predetermined intervals toward the inside end of themagnets, and on the inner circumference of the outer cylinder areinstalled electromotive coils arranged at predetermined intervals towardthe outside end of the magnets, wherein the induction coils andelectromotive coils are connected each other by a direct currentconverting circuit.

Advantageous Effects

According to the present invention, it is possible to obtain a furtherincreased quantity of generation by means of the magnet plates and coilplates that rotate in mutually opposing directions even in the case thatwater power or wind power used in generation is weak. In addition, evenif the energy supply source such as wind power, wave power or waterpower acts continuously or intermittently, the rotational force betweenthe magnet plates and coil plates is increased greatly by theelectromotive coils that confer repulsive force on the magnets to makeit possible to produce much higher generation energy, so it is veryeconomical.

DESCRIPTION OF DRAWINGS

The above objects, features and advantages of the present invention willbecome more apparent to those skilled in the related art in conjunctionwith the accompanying drawings. In the drawings:

FIG. 1 is an exploded perspective view showing a magnet plate and coilplate of a generator according to the present invention;

FIG. 2 is a sectional view showing the assembled state of the generatoraccording to the present invention; and

FIG. 3 is an enlarged sectional view showing major parts of thegenerator according to the present invention.

* Description of Reference Numerals in Drawings 10, 10′: Magnet plate11, 11′: Magnet 12, 22: Blade 20, 20′: Coil plate 21, 21′: Generationcoil 23: Inner cylinder 24: Outer cylinder 25: Induction coil 26:Electromotive coil 30: Direct current converting circuit

BEST MODE

Terms or words used in the specification and claims should not beconstrued as limited to a lexical meaning, and should be understood asappropriate notions by the inventor based on that he/she is able todefine terms to describe his/her invention in the best way to be seen byothers. Therefore, embodiments and drawings described herein are simplyexemplary and not exhaustive, and it will be understood that variousmodifications and equivalents may be made to take the place of theembodiments.

Hereinafter, preferred embodiments of the present invention will bedescribed in more detail with reference to the accompanying drawings.

FIG. 1 is an exploded perspective view showing a magnet plate and coilplate of a generator according to the present invention, FIG. 2 is asectional view showing the assembled state of the generator according tothe present invention, and FIG. 3 is an enlarged sectional view showingmajor parts of the generator according to the present invention.

As shown in the drawings, in the generator according to the presentinvention, if the magnet plates 10 and 10′ and coil plates 20 and 20′that are arranged in separation from each other rotate by externalforce, electric charge is induced from a plurality of magnets 11 and 11′radially arranged at predetermined intervals on the magnets plates 10and 10′ in the generation coils 21 and 21′ radially arranged atpredetermined intervals on the coil plates 20 and 20′. Accordingly,electricity is generated from generation coils 21 and 21′ ofserially-connected shape, so it is possible to obtain desired electricpower.

At this time, according as the magnet plates 10 and 10′ or coil plates20 and 20′ rotate, the polarity of electric charge acting on thegeneration coils 21 and 21′ is repetitively changed to generateelectricity.

In the present invention, the magnet plates 10 and 10′ and coil plates20 and 20′ are constructed in such a way that they rotate in mutuallyopposing directions. For this, both of the magnet plates 10 and 10′ arefixed on a single rotating shaft 40 both ends of which are mountedrotatably on a main body of the generator, and the coil plates 20 and20′ are rotatably mounted on the rotating shaft 40 via bearings 41.

On the whole of the outer circumference of these magnet plates 10 and10′ and coil plates 20 and 20′ are formed in protrusion respectively aplurality of blades 12 and 22 that are inclined in mutually opposingdirections.

At this time, the blades 12 and 22 may be formed in such a way that theyprotrude monolithically from the outer circumference of the magnetplates 10 and 10′ and coil plates 20 and 20′, or may be attached in astate inclined at a predetermined angle by using joining means such as ahinge or bracket. Also, these blades may be formed on the outercircumference or formed transversely in protrusion on the innercircumference.

Also, in this embodiment is illustrated a structure in which the magnetplates 10 and 10′ are fixed on the rotating shaft 40, and the coilplates 20 and 20′ are rotatably mounted on the rotating shaft 40 viabearings 41 for relative rotation. But in another embodiment, it is alsopossible to adopt a structure in which the magnet plates 10 and 10′ arerotatably mounted on the rotating shaft 40 via bearings 41, and the coilplates 20 and 20′ are fixed on the rotating shaft 40 for relativerotation.

If external force such as water power, wind power or wave power acts onthe blades 12 and 22 of the magnet plates 10 and 10′ and coil plates 20and 20′, the magnet plates 10 and 10′ and coil plates 20 and 20′ arerotated by external force acting on the blades 12 and 22 which arearranged inclined at a predetermined angle in mutually opposingdirections as mentioned above. At this time, the blades 12 and 22 arearranged inclined in mutually opposing directions, so the magnet plates10 and 10′ and coil plates 20 and 20′ are rotated in mutually opposingdirections.

Accordingly, even if a relatively weak water power, wind power or wavepower is applied, the magnet plates 11 and 11′ and induction coils 25rotating in mutually opposing directions have the quantity of rotationdoubled. Therefore, the electricity generation is greatly increased inproportion to the doubled quantity of rotation.

Also, on the coil plates 20 and 20′ are formed in protrusionrespectively an inner cylinder 23 and outer cylinder 24 at the locationsseparated at a predetermined interval in a radius direction from bothends of the magnets 11 and 11′. On the outer circumference of the innercylinder 23 are correspondingly arranged the induction coils 25 towardthe inside end of the magnets 11 and 11′, and on the inner circumferenceof the outer cylinder 24 are correspondingly arranged the electromotivecoils 26 toward the outside end of the magnets 11 and 11′.

At this time, since the induction coils 25 and electromotive coils 26are mutually connected through a direct current converting circuit 30,the current generated from the induction coils 25 is converted into aform of direct current as it passes through the direct currentconverting circuit 30 before it is supplied to the electromotive coils26.

Accordingly, when the magnet plates 10 and 10′ and coil plates 20 and20′ are rotated by external force such as water power, wind power orwave power, electric charge is induced from magnets 11 and 11′ ingeneration coils 21 and 21′ to cause generation of electricity. At thesame time, extra generation is made partially also through the inductioncoils 25. Since the electricity produced through the induction coils 25is converted into direct current as it passes through the direct currentconverting circuit 30, the polarity of the electromotive coils 26 isconverted repetitively by a switching action so as to be equal to thepolarity of the magnets 11 and 11′. After all, since rotational reactionis generated continuously on the magnet plates 10 and 10′ and coilplates 20 and 20′ due to repulsive force generated by the change ofthese polarities, it is possible to further increase the rotationalforce thereof.

Therefore, even if a load acts on the magnet plates 10 and 10′ and coilplates 20 and 20′ by various load elements connected to the generator,it is possible to obtain a maximum generation efficiency by increasingthe rotational force of the magnet plates 10 and 10′ and coil plates 20and 20′ by repulsive force generated from the electromotive coils 26.

INDUSTRIAL APPLICABILITY

As described above, the generator according to the present invention canbe effectively used also in an area where wind is weak or wind blowsintermittently, can use water power flowing along a brook, small streamor sewage pipe or water supply pipe, and can be installed on the rooftopof a common house to be used for the purpose of supplying electric powerindoors.

Although the present invention has been described in connection with theexemplary embodiments illustrated in the drawings, it is onlyillustrative. It will be understood by those skilled in the art thatvarious modifications and equivalents can be made to the presentinvention. Therefore, the true technical scope of the present inventionshould be defined by the appended claims.

1. A generator comprising non-magnetic disc-shaped magnet plates 10 and10′ and coil plates 20 and 20′ that are sequentially and continuouslyinstalled on a rotating shaft, magnets 11 and 11′ that are radiallyarranged at predetermined intervals on said magnet plates 10 and 10′,and serially-connected generation coils 21 and 21′ that are radiallyarranged at predetermined intervals on said coil plates 20 and 20′, thegenerator characterized in that: said magnet plates 10 and 10′ and saidcoil plates 20 and 20′ are provided with a plurality of blades 12 and 22that are protruded inclined in mutually opposing directions on the outercircumference thereof, so that said magnet plates 10 and 10′ and saidcoil plates 20 and 20′ are rotated simultaneously in mutually opposingdirections; on said coil plates 20 and 20′ are formed in protrusion aninner cylinder 23 and outer cylinder 24 at locations separated from bothends of the magnets 11 and 11′, and on the outer circumference of saidinner cylinder 23 are installed induction coils 25 arranged atpredetermined intervals toward the inside end of the magnets 11 and 11′,and on the inner circumference of the outer cylinder 24 are installedelectromotive coils 26 arranged at predetermined intervals toward theoutside end of the magnets 11 and 11′, wherein said induction coils 25and electromotive coils 26 are connected each other by a direct currentconverting circuit 30; and when said magnet plates 10 and 10′ and saidcoil plates 20 and 20′ rotate in mutually opposing directions, electriccharge is induced in generation coils 21 and 21′ from magnets 11 and 11′to generate electricity, wherein the induced electric charge acting onthe induced coils 25 is transmitted to the electromotive coils 26through a direct current converting circuit 30 to generate repulsiveforce between said electromotive coils 26 and magnets 11 and 11′, androtational reaction force is generated continuously between the magnets10 and 10′ and coil plates 20 and 20′ by the repulsive force so as toincrease rotational force thereof.
 2. The generator of claim 1, whereinthe blades 12 and 22 that are formed on the outer circumference of saidmagnet plates 10 and 10′ and said coil plates 20 and 20′ are formedmonolithically in protrusion from the outer circumference of the magnetplates 10 and 10′ and coil plates 20 and 20′.
 3. The generator of claim1, wherein said magnet plates 10 and 10′ are fixed on said rotatingshaft 40, and said coil plates 20 and 20′ are rotatably mounted on therotating shaft 40 via bearings
 41. 4. The generator of claim 1, whereinsaid coil plates 20 and 20′ are fixed on said rotating shaft 40, andsaid magnet plates 10 and 10′ are rotatably mounted on the rotatingshaft 40 via bearings 41.